423430000000 has 512 divisors, whose sum is σ = 1262246768640. Its totient is φ = 138336000000.

The previous prime is 423429999997. The next prime is 423430000031. The reversal of 423430000000 is 34324.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1609999869 + ... + 1610000131.

It is an arithmetic number, because the mean of its divisors is an integer number (2465325720).

Almost surely, 2^423430000000 is an apocalyptic number.

423430000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423430000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631123384320).

423430000000 is an abundant number, since it is smaller than the sum of its proper divisors (838816768640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423430000000 is an frugal number, since it uses more digits than its factorization.

423430000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 423430000000 its reverse (34324), we get a palindrome (423430034324).

The spelling of 423430000000 in words is "four hundred twenty-three billion, four hundred thirty million", and thus it is an aban number.